Toothbrush handle



FIG. 1 is a front perspective view of a toothbrush handle showing the new design;

FIG. 2 is a right side view thereof, the left side being a mirror image of the right side;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is an enlarged top view thereof; and,

FIG. 6 is an enlarged bottom view thereof.

The broken line showing of a brush head is for the purpose of illustrating environmental structure that forms no part of the claimed design. 

The ornamental design for a toothbrush handle, as shown and described. 